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<textarea name='code' class='java:nogutter' rows='15' cols='120'>
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.sample.showcase.client.data.CountryData;

public class EmptyGridSample implements EntryPoint {

    public void onModuleLoad() {

        Canvas canvas = new Canvas();

        final ListGrid countryGrid = new ListGrid();
        countryGrid.setWidth(500);
        countryGrid.setHeight(224);
        countryGrid.setTop(50);
        countryGrid.setAlternateRecordStyles(true);
        countryGrid.setShowAllRecords(true);
        countryGrid.setShowEmptyMessage(true);
        countryGrid.setEmptyMessage("<br>Click the <b>Set data</b> button to populate this grid.");

        ListGridField nameField = new ListGridField("countryName", "Country", 120);
        ListGridField capitalField = new ListGridField("capital", "Capital");
        ListGridField continentField = new ListGridField("continent", "Continent");
        ListGridField countryCodeField = new ListGridField("countryCode", "Flag", 50);
        countryCodeField.setAlign(Alignment.CENTER);
        countryCodeField.setType(ListGridFieldType.IMAGE);
        countryCodeField.setImageURLPrefix("flags/16/");
        countryCodeField.setImageURLSuffix(".png");
        countryGrid.setFields(countryCodeField, nameField, capitalField, continentField);

        canvas.addChild(countryGrid);

        IButton setDataButton = new IButton("Set Data");
        setDataButton.setLeft(0);
        setDataButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                countryGrid.setData(CountryData.getRecords());
            }
        });
        canvas.addChild(setDataButton);

        IButton clearDataButton = new IButton("Clear Data");
        clearDataButton.setLeft(120);
        clearDataButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                countryGrid.setData(new ListGridRecord[]{});
            }
        });
        canvas.addChild(clearDataButton);

        canvas.draw();
    }

}
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